- Model: ENGSTEM-02
- SKU: 5657211
Build 14 working models; 112 pieces; 46-page booklet with theory, experimental activities, quiz and building instructions; recommended for ages 8-16+
- Model: ZD140B
- SKU: 5653529
Lets you build 6 lighted plane construction models; 62 construction pieces; Zippy Do power base for LED illumination; for ages 5 and up
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